Molecular Interview Questions

Molecular interview questions

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Total Questions: 5

1. If the sign of the wave function is unchanged when the orbital is reflected about its centre, the orbital is

A. Gerade

B. Ungerade

C. Gerade as well as Ungerade

D. None of the mentioned

Correct Answer is : Gerade

2. The filling of molecular orbital takes place according to

A. The Aufbau Principle

B. Pauli Exclusion Principle

C. Hund’s rule of maximum multiplicity

D. All of the mentioned

Correct Answer is : All of the mentioned

3. On the basis of molecular orbital theory, select the most appropriate option.

A. The bond order of O2 is 2.5 and it is paramagnetic

B. The bond order of O2 is 1.5 and it is paramagnetic

C. The bond order of O2 is 2 and it is diamagnetic

D. The bond order of O2 is 2 and it is paramagnetic

Correct Answer is : The bond order of O2 is 2 and it is paramagnetic

4. According to Molecular Orbital Theory, the shape and size of a molecular orbital depends upon

A. Shape and size of the combining atomic orbitals

B. Numbers of the combining atomic orbitals

C. Orientation of the combining atomic orbitals

D. All of the mentioned

Correct Answer is : All of the mentioned

5. Choose the incorrect statement from the following options.

A. In bonding molecular orbital, electron density is low in the region between the nuclei of bonded atoms

B. The energy of antibonding molecular orbital is higher than that of atomic orbitals from which it is formed

C. Every electron in bonding molecular orbital contributes toward stability of the molecule

D. Antibonding takes place when lobes of atomic orbitals have different signs

Correct Answer is : In bonding molecular orbital, electron density is low in the region between the nuclei of bonded atoms

Molecular interview questions